Taxonomy
- Polyphaga
- Chrysomeloidea
- Chrysomelidae
- Cryptocephalus
- Cryptocephalus bilineatus
Images
Source: Lech Borowiec
Description
Size: 2-3mm
Basic colour: Black and yellow
Pattern colour: See notes below.
Number of spots: See notes below.
Other colour forms: Sometimes
Pronotoum: Black with fine yellow front and side margins; often two yellow spots near the middle of the rear edge.
Leg colour: Yellow
Basic colour: Black and yellow
Pattern colour: See notes below.
Number of spots: See notes below.
Other colour forms: Sometimes
Pronotoum: Black with fine yellow front and side margins; often two yellow spots near the middle of the rear edge.
Leg colour: Yellow
Biology
Status: Scarce (Notable B) and may be declining due to the loss of unimproved grassland.
Habitat: Chalk downs, lake edges, commons.
Host plant: Kidney Vetch (Anthyllis vulneraria)
Overwintering: Unknown
Food: Host plants.
Other notes: Pronotum with fine longitudinal ridges (these may be difficult to see). Elytra yellow with black suture and longitudinal band; the yellow part between these may be interrupted. Elytra sometimes black with front and side margins yellow.
Habitat: Chalk downs, lake edges, commons.
Host plant: Kidney Vetch (Anthyllis vulneraria)
Overwintering: Unknown
Food: Host plants.
Other notes: Pronotum with fine longitudinal ridges (these may be difficult to see). Elytra yellow with black suture and longitudinal band; the yellow part between these may be interrupted. Elytra sometimes black with front and side margins yellow.